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Finding the Fourth Proportional to 674,256.61, 930,432.99 and 368,271.01

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Solution

The fourth proportional to 674,256.61, 930,432.99 and 368,271.01 is: 508,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,256.61 : 930,432.99 = 368,271.01 : x
  2. Step 2: Convert to fraction form
    674,256.61/930,432.99 = 368,271.01/x
  3. Step 3: Cross multiply
    674,256.61x = 930,432.99 × 368,271.01
  4. Step 4: Simplify right side
    674,256.61x = 342,651,496,964.62
  5. Step 5: Solve for x
    x = 342,651,496,964.62/674,256.61
  6. Step 6: Final answer
    x = 508,191.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.